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TRANSPORTATION T/9/84 5. Traffic backups resulting from ramp metering in interchanges between two roadways must occur on the lower -speed route and in accelera- tion lanes rather than deceleration lanes or weaving sections. 6. Ramp configurations must be capable of being signed for safe and expeditious movement prior to construction approval. 7. When restrictions on cross -street roadways, such as median openings, are required by an interchange design, closings must be accom- plished and coordinated with construction. 8. Partial interchanges should have a direct con- necting roadway between the interchange ramps. -The connecting roadway routing must be easily understandable, noncircuitous and signable to move traffic between the partial interchanges. The connecting roadway need not be part of the highway construction. 9. Interchange ramp configuration and design should provide for preferential treatment of transit and paratransit vehicles if warranted.- 10. If warranted by planning studies of the MTC, interchange ramp configuration and design should provide for bus stops and passenger facilities to accommodate the transfer of persons between buses operating on the metropolitan system and those operating on the cross streets. Interchange Justification Criteria for New Development 1. and 2. General Transportation Criteria Nos. 1 and 6 should be applied. 3. An interchange may be warranted when access to new development cannot be adequately or safely served by existing or new arterials or by existing ramps at an adjacent interchange. 4. All requested studies for the additional access facility must be submitted by a public agency or local jurisdiction. 5. Local governments and the owners and devel- opers of properties that would benefit from the construction of an additional (adding to original system) constructed and/or planned interchange should be expected to share the cost of additional construction or right-of-way to the extent that they receive tangible benefits. 6. When the schedules of the development conflict with regional schedules, an additional contribution toward the interchange costs may be required. 7. The proposed ramp configuration should not preclude the development of additional lands the interchange would logically service. 8. To facilitate review of a proposed interchange request, representatives of the Metropolitan Council, if requested by the developer through the local unit of government, will conduct, with their assistance, a development impact review. This is to assure that relevant issues are identified for consideration by Coi -ncil repre- sentatives and other agencies investigating the interchange request. . 9. Interchange additions or revisions to support new development must be secondary to the specific corridor plan for the route. 10. Selected collector and minor arterial roadwa�,s connecting with the proposed interchange must be adequate for the anticipated volumes on the interchange. 11. During the development impact review, approximate interchange costs must be estimated for the interchange and compared to the perceived public benefits. 12. Environmental and physical constraints must be evaluated. PROCEDURE FOR PROCESSING INTERCHANGE REQUESTS The procedure for processing requests for inter- change additions or revisions will be as follows: 1. A request for an addition or revision is made: (a) to the Metropolitan Council with a local comprehensive plan or with an amendment to that plan or (b) to the implementing agency